Lamp



FIG. 1 is a front perspective view of a lamp showing my new design;

FIG. 2 is a top perspective view thereof;

FIG. 3 is a top and front perspective view thereof;

FIG. 4 is an enlarged fragmentary front perspective view of a portion of the lamp thereof;

FIG. 5 is an enlarged fragmentary bottom and front perspective view of a portion of the lamp thereof;

FIG. 6 is an additional fragmentary bottom and front perspective view of a portion of the underside of the lamp thereof; and,

FIG. 7 is a further enlarged fragmentary bottom and front perspective view of a portion of the underside of the lamp thereof. 

The ornamental design for a lamp, as shown, and described. 